[6779] | 1 | <?php |
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| 2 | /**************************************************************************\ |
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| 3 | * eGroupWare API - Graphical * |
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| 4 | * This file written by Lars Kneschke <lars@kneschke.de> * |
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| 5 | * Allows the creation of graphical buttons * |
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| 6 | * Copyright (C) 2001 Lars Kneschke * |
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| 7 | * -------------------------------------------------------------------------* |
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| 8 | * This library is part of the eGroupWare API * |
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| 9 | * http://www.egroupware.org/api * |
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| 10 | * ------------------------------------------------------------------------ * |
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| 11 | * This library is free software; you can redistribute it and/or modify it * |
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| 12 | * under the terms of the GNU Lesser General Public License as published by * |
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| 13 | * the Free Software Foundation; either version 2.1 of the License, * |
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| 14 | * or any later version. * |
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| 15 | * This library is distributed in the hope that it will be useful, but * |
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| 16 | * WITHOUT ANY WARRANTY; without even the implied warranty of * |
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| 17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. * |
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| 18 | * See the GNU Lesser General Public License for more details. * |
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| 19 | * You should have received a copy of the GNU Lesser General Public License * |
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| 20 | * along with this library; if not, write to the Free Software Foundation, * |
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| 21 | * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * |
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| 22 | \**************************************************************************/ |
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| 23 | |
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| 24 | |
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| 25 | class graphics |
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| 26 | { |
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| 27 | /* put a valid font here */ |
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| 28 | var $font="/opt/future-project/src/management-server/ttf/arial.ttf"; |
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| 29 | |
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| 30 | function createImage($_text, $_fontsize=11) |
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| 31 | { |
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| 32 | /* create filename */ |
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| 33 | $filename = 'button_' . md5($_text) . '.png'; |
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| 34 | $filename = strtolower($filename); |
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| 35 | |
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| 36 | /* see if file exists already, we cache it */ |
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| 37 | if (file_exists(PHPGW_IMAGES_FILEDIR.'/'.$filename)) |
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| 38 | { |
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| 39 | return $filename; |
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| 40 | } |
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| 41 | |
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| 42 | $size = imagettfbbox($_fontsize,0,$this->font,$_text); |
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| 43 | $dx = abs($size[2]-$size[0]); |
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| 44 | $dy = abs($size[5]-$size[3]); |
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| 45 | $xpad=9; |
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| 46 | $ypad=9; |
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| 47 | $im = imagecreate($dx+$xpad,$dy+$ypad); |
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| 48 | $blue = ImageColorAllocate($im, 0x2c,0x6D,0xAF); |
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| 49 | $black = ImageColorAllocate($im, 0,0,0); |
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| 50 | $white = ImageColorAllocate($im, 255,255,255); |
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| 51 | ImageRectangle($im,0,0,$dx+$xpad-1,$dy+$ypad-1,$black); |
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| 52 | ImageRectangle($im,0,0,$dx+$xpad,$dy+$ypad,$white); |
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| 53 | ImageTTFText($im, $_fontsize, 0, (int)($xpad/2)+1, $dy+(int)($ypad/2), -$black, $this->font, $_text); |
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| 54 | ImageTTFText($im, $_fontsize, 0, (int)($xpad/2), $dy+(int)($ypad/2)-1, -$white, $this->font, $_text); |
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| 55 | ImagePNG($im,PHPGW_IMAGES_FILEDIR.'/'.$filename); |
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| 56 | ImageDestroy($im); |
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| 57 | |
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| 58 | return $filename; |
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| 59 | } |
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| 60 | |
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| 61 | function createInputButton($_text, $_name, $_mode='graphic') |
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| 62 | { |
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| 63 | if ($_mode == 'graphic' && extension_loaded('gd')) |
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| 64 | { |
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| 65 | return '<input type="image" src="/phpgroupware/phpgwapi/templates/default/images/'.$this->createImage($_text).'" border="0" name="'.$_name.'">'; |
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| 66 | } |
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| 67 | else |
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| 68 | { |
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| 69 | return '<input type="submit" value="'.$_text.'" name="'.$_name.'">'; |
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| 70 | } |
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| 71 | } |
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| 72 | |
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| 73 | // this function checks, if there is a variable $aaa_x and $aaa_y |
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| 74 | // if so, it will create a new variable $aaa |
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| 75 | function parseHTTPPostVars() |
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| 76 | { |
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| 77 | // execute only if libgd support is enabled |
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| 78 | if (!extension_loaded('gd')) |
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| 79 | { |
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| 80 | return; |
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| 81 | } |
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| 82 | |
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| 83 | global $HTTP_POST_VARS; |
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| 84 | |
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| 85 | if (is_array($HTTP_POST_VARS)) |
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| 86 | { |
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| 87 | while( list($key, $val) = each($HTTP_POST_VARS)) |
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| 88 | { |
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| 89 | if (ereg("(.*)_x",$key,$varName) && $HTTP_POST_VARS[$varName[1]."_y"]) |
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| 90 | { |
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| 91 | $name = $varName[1]; |
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| 92 | global $$name; |
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| 93 | $$name = "content generated by parseHTTPPostVars()"; |
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| 94 | } |
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| 95 | } |
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| 96 | } |
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| 97 | } |
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| 98 | } |
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